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What kind of water do you use to raise crabs?

1. For freshwater crabs such as Chengyang Lake hairy crab, crystal crab and red star swimming crab, fresh water can be used in aquaculture. Because they themselves live in fresh water, they can be fed directly with fresh water such as river or lake water. Dried tap water can also be used to raise them.

2. Stable water quality to survive. It is best to choose chlorine-free, phosphate-free, nitrate-free water sources. If possible, tap water or groundwater can be used as the source of crab ponds. In addition, pollution-free natural water is also a good choice.

3. You can raise crabs with tap water, but you need to bask in the tap water one day in advance to get rid of the chlorine in the water. If it is a sea crab, you need to raise it with light salt water. In addition to raising sea crabs in deep water, ordinary river crabs can be raised in shallow water. It is also necessary to change the water for the crabs frequently to prevent the water quality from deteriorating and causing the crabs to get sick and die.

4. General crabs belong to amphibians and cannot be raised in deep water. Suitable crab breeding grounds should have good water quality, adequate water and convenient drainage. In order to ensure good air permeability, sandy land or sandy loam should be given priority to. On the other hand, it is helpful to consolidate the river embankment and avoid water leakage caused by hole digging.

5. It is best to use a fish tank to raise small crabs at home. The water level can reach 1/2 of the body of small crabs, or just over the shell of small crabs. You just need to add stones to the tank for small crabs to climb and avoid.

6. Water quality should be clean and hygienic: crabs are sensitive aquatic animals, and the hygiene and cleanliness of water quality are very important for their survival. Before using the water in the kitchen to raise crabs, you need to make sure that the water source is free of pollution and impurities, and the clean water source needs to be changed regularly.

What kind of water do you use to raise little crabs?

1. You can raise crabs with tap water, but you need to bask in the tap water one day in advance to get rid of the chlorine in the water. if it is a sea crab, you need to raise it with light salt water. In addition to raising sea crabs in deep water, ordinary river crabs can be raised in shallow water. It is also necessary to change the water for the crabs frequently to prevent the water quality from deteriorating and causing the crabs to get sick and die.

2. Medicine is raised in a basin at home, and some fine sand can be put in the basin to form a small platform. The water raised should not be too deep, the best water depth is that the steel is immersed in the shell of the crab, and the water raised can be used with tap water, but it can only be used in the sun for a day. Crabs can bask in the sun, but not for too long.

3. If you want to raise small crabs successfully, the choice of water quality is essential. Small crabs need clear and stable water to survive. It is best to choose chlorine-free, phosphate-free, nitrate-free water sources. If possible, tap water or groundwater can be used as the source of crab ponds.

4. The little crabs who have just been caught by the sea should pay attention to the following points: find a basin with fine sand. The water should be soaked in the crab's shell. With sea water, you can buy special sea salt to match the sea water. Crabs can bask in the sun properly, not for too long.

5. Raise the crab in shallow water and avoid the crab escaping because the edge is too shallow. The temperature is recommended to be about 25 degrees Celsius to avoid excessive temperature difference. It is recommended to use tap water after exposure, which needs to be replaced in time when the water is dirty. Food can be made from minced raw fish or special commercial feed.

6. It is best to use a fish tank to raise small crabs at home. The water level can reach 1/2 of the body of small crabs, or just over the shell of small crabs. You just need to add stones to the tank for small crabs to climb and avoid.

What kind of water does it take to raise hairy crabs?

1. Lake or river water. Hairy crabs do not belong to seafood, but are a kind of lake crabs, which can be cultured in fresh water. Too high salt concentration will accelerate the death of hairy crabs. At the same time, do not use tap water to raise hairy crabs, because they contain harmful substances such as chlorine. It can also cause the rapid death of hairy crabs.

2. Because they themselves live in fresh water, they can be fed directly with fresh water such as river or lake water. Dried tap water can also be used to raise them. But for flower crab, green crab, Asahi crab and other marine crabs, breeding can not use fresh water, need to use sea water.

3. Crabs prefer clean and transparent water environment. Crabs are suitable for living in fresh water (salinity below 0.5 ‰), slightly alkaline (pH5-5) and low ammonia nitrogen (total ammonia nitrogen is 0.2-0.5mg / L).

4. Lake or river water is used to raise hairy crabs. Hairy crabs do not belong to seafood, but are a kind of lake crabs, which can be cultured in fresh water. Too high salt concentration will accelerate the death of hairy crabs. At the same time, do not use tap water to raise hairy crabs, because they contain harmful substances such as chlorine. It can also cause the rapid death of hairy crabs.